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Principal Machine Learning Engineer, SecureAI

San Francisco💼 Full-time💰 $238,000–$238,000🗓 2026-09-16 → 2026-09-26

Core

Architecting and driving features for a unified control plane to establish an Identity Security Fabric for the agentic era, replacing static rules with dynamic AI security mechanisms.

Role type

Principal Machine Learning Engineer (Generative AI & Security)

Builds

Real-time threat inspection, agent intent evaluation, behavioral analysis, and semantic verification engines for autonomous AI agents.

Domain

Cybersecurity, Digital Identity, Generative AI, Agentic Systems

Deliverable

production ML models

Required skills

Applied machine learning, Generative AI platforms, RAG, embeddings, vector search, zero-shot classification, ML framework development, evaluation pipeline design, system architecture

Preferred skills

Identity/security product integration, ethical AI, model risk, compliance frameworks, synthetic data generation, LLM-as-a-judge methods

Technologies

Python, Go, Typescript, AWS Bedrock, OpenAI, Anthropic, LiteLLM, LangGraph, LangChain, LlamaIndex, MCP, FastAPI, PyTorch, TensorFlow, Spark ML, Airflow, Cedar

Responsibilities

Implement intent-based enforcement for agent runtime requests; Apply LLM reasoning and prompt parsing for real-time interpretation; Integrate low-latency inference engines into API gateways; Design confidence-scored decision engines; Establish evaluation benchmarks and guardrails; Architect scalable ML and GenAI systems; Optimize prompting, context retrieval, and RAG workflows; Build automated evaluation pipelines; Mentor and coach engineers

Seniority

Principal, hands-on IC with mentorship

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